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Prophages and dispersal of multicellular Streptomyces

July 25, 2024

Prophages and dispersal of multicellular Streptomyces

Little is known about the impact of phages on Streptomyces physiology. Hoda Jaffal, Stéphanie Bury-Moné and colleagues show that induction of the prophage 'Samy' enhances the dispersal of multicellular aggregates of Streptomyces ambofaciens bacteria in response to stress, likely promoting lineage propagation.

Image credit: Hoda Jaffal & Mounia Kortebi

PLOS Biologue

Community blog for PLOS Biology, PLOS Genetics and PLOS Computational Biology.

PLOS BIOLOGUE

07/25/2024

Research Article

Alternative start sites in Cryptococcus

Alternative transcription start site (altTSS) usage is one of the major means of gene regulation in animals but is unknown in non-yeast fungi. Thi Tuong Vi Dang, Guilhem Janbon and co-workers reveal widespread altTSS in Cryptococcus that alters gene expression and protein targeting, regulated by a single transcription factor, Tur1, in response to environmental cues.

Image credit: pbio.3002724

Alternative start sites in Cryptococcus

Recently Published Articles

Current Issue

Current Issue June 2024

07/24/2024

Research Article

Wnt signaling modulates the DNA damage response via EGFR

The Wnt pathway promotes resistance to DNA damage induced by ionizing radiation in several human cancers, but how? Ben Ewen-Campen and Norbert Perrimon show that Wnt signaling in the Drosophila wing imaginal disc modulates the DNA damage response through EGFR, protecting cells from apoptosis induced by DNA double-strand breaks..

Image credit: pbio.3002547

Wnt signaling modulates the DNA damage response via EGFR

07/23/2024

Research Article

Amyloid beta from oligodendrocytes

Neurons are thought to be the primary source of pathogenic amyloid beta (Aβ) in Alzheimer's disease. Rikesh Rajani, Marc Aurel Busche and co-authors identify oligodendrocytes as significant contributors to Aβ production and show that suppressing Aβ in oligodendrocytes rescues early neuronal dysfunction in a mouse model of Alzheimer's disease.

Image credit: pbio.3002727

Amyloid beta from oligodendrocytes

07/23/2024

Meta-Research Article

“Best Paper” awards: not great for Open Science?

Research awards are an integral part of the universal “prestige economy” in science. Malgorzata Lagisz, Shinichi Nakagawa and colleagues use cross-disciplinary data to explore the level of transparency of publicly available award descriptions and assessment criteria, asking whether such awards contribute to or propagate existing reproducibility crises and inequities in science.

“Best Paper” awards: not great for Open Science?

Image credit: Pixabay user Mimzy

07/22/2024

Research Article

Secreted miR-203 mediates communication to form trigeminal ganglia

Intercellular communication between neural crest cells and placode cells is critical for the formation of trigeminal ganglion during development. Yanel Bernardi, Pablo Strobl-Mazzulla and colleagues reveal that miR-203 from neural crest cells is selectively secreted in extracellular vesicles and mediates this communication.

Secreted miR-203 mediates communication to form trigeminal ganglia

Image credit: pbio.3002074

07/19/2024

Short Reports

Cholinergic signaling protects against steatohepatitis

The complexity of metabolic dysfunction-associated steatohepatitis (MASH) has impaired the development of pharmacological treatments for the condition. Heejin Jun, Shanshan Liu, Jun Wu and co-workers show that nicotinic acetylcholine receptor signaling serves as an intrinsic protective mechanism against extended metabolic stress in the liver.

Cholinergic signaling protects against steatohepatitis

Image credit: pbio.3002728

07/15/2024

Essay

Ancestral immunity

Aude Bernheim, Jean Cury and Enzo Poirier introduce the concept of ancestral immunity; the set of immune modules conserved between prokaryotes and eukaryotes, discussing the topology of ancestral immunity and an evolutionary scenario for its existence.

Ancestral immunity

Image credit: pbio.3002717

07/08/2024

Essay

The new science of sleep

Omer Sharon, Eti Ben Simon, Matthew Walker and co-authors highlight eight of the most exciting new discoveries within sleep science, discussing how these have expanded our understanding of sleep's function at the cellular, organismal, and societal levels.

The new science of sleep

Image credit: pbio.3002684

07/01/2024

Unsolved Mystery

The mysteries of mitochondrial shape

Mitochondria come in many shapes and sizes. Noga Preminger and Maya Schuldiner explore the diverse processes that influence mitochondrial shape and network formation, highlighting gaps in our understanding of mitochondrial architecture.

The mysteries of mitochondrial shape

Image credit: pbio.3002671

06/11/2024

Editorial

Aligning data with decisions

The planetary outlook for biodiversity is dire. Leah Gerber and Gwenllian Iacona introduce a new Collection of articles that discuss the data we have and the data we need for more effective conservation policies.

Aligning data with decisions

Image credit: Leah Gerber

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